Institute Newton C. Braga

Circuit Bench

MW Receiver ZN416E (CB20680E)
Found in a Popular Electronics from the 90s, this circuit makes use of an unusual integrated...
1 kHz CMOS VCO (CB1528E )
We found this circuit in a 1977 CMOS oscillators documentation. The power can be sourced with...
Current Regulator (CB13409E)
We found this circuit in a documentation for 1977 American radio amateurs. The LM336 integrated circuit...